50+ hardware and embedded systems projects delivered, from concept through manufacturing.
Full project lifecycle ownership: requirements → schematic → PCB layout → firmware → prototyping → testing → DFM/production handoff.
Projects spanning industrial electronics, IoT devices, RF systems, wearables, and battery-powered products.
I design and build hardware products that survive real-world contact — not just designs that work in simulation.
For 6+ years, I've taken products from a blank schematic to manufactured, field-deployed hardware: industrial electronics, IoT devices, RF systems, and embedded platforms used in real industrial and consumer environments. I work across the full stack — system architecture, PCB layout, firmware, prototyping, and DFM — so you get one engineer who understands how a firmware design decision affects the PCB, and vice versa.
If you need someone who can own a hardware product end-to-end, or step into a specific phase (schematic review, firmware bring-up, RF tuning, manufacturing prep), I can help.
WHERE I ADD THE MOST VALUE
Custom PCB design, 2–12 layers, including high-speed digital and RF layouts
EMI/EMC-aware design and Design for Manufacturing (DFM)
Embedded firmware in C/C++ for ESP32, STM32, nRF52/nRF53, RP2040, and ARM Cortex-M platforms
IoT connectivity: Wi-Fi, BLE, LoRa, GSM/LTE, GPS/GNSS, cloud-connected devices
Industrial communication: UART, SPI, I²C, RS485, Modbus, CAN Bus
Power electronics: battery management systems (BMS), DC-DC converters, SOC/SOH estimation, industrial power monitoring
Prototype-to-production support, including BOM creation and manufacturing handoff
RECENT WORK
Industrial gas metering system (EVC V5) — redesigned the hardware architecture with RS485, CAN Bus, and Modbus communication, built to meet EMI/ESD protection and hazardous-environment requirements.
Ground Penetrating Radar — designed a 100–900 MHz subsurface sensing system built around a high-efficiency Class-E RF power amplifier and custom embedded electronics.
EEG smart glasses — developed wearable electronics for brainwave acquisition, signal conditioning, embedded processing, and wireless transmission.
Dual-MCU wireless audio platform — low-power architecture combining nRF5340 and ESP32-S3, with BLE, Wi-Fi, secure storage, and advanced power management.
Energy monitoring & battery management platform — multi-source monitoring across AC power, solar generation, and battery storage, with SOC/SOH estimation, GSM connectivity, Ethernet, and remote monitoring.
High-power RF amplifier — 100 MHz Class-E design delivering up to 1 kW output.
Multiple ESP32-based industrial and consumer products — automation, environmental monitoring, sensing, and data acquisition.
Aero-Guide robot — autonomous, AI-assisted navigation platform, finalist in a national engineering competition.
WHAT YOU GET WORKING WITH ME
Clear technical communication from day one — I'll tell you early if something won't scale, won't pass EMC, or won't be manufacturable, rather than letting you find out after fabrication.
Deliverables built for handoff: schematics, PCB layouts, Gerbers, BOMs, manufacturing files, firmware, and documentation — organized so another engineer (or your future self) can pick them up.
Fast, practical problem-solving when prototypes don't behave as expected.
A focus on shipping reliable, buildable hardware — not just a working bench demo.
Outside of engineering, I spend time mountain trekking, with expeditions to several major peaks in Pakistan, including base camps of multiple 8,000m mountains. It's where I keep my planning and problem-solving instincts sharp under pressure — skills that translate directly into debugging hardware at 2 am before a deadline.
If you have a hardware or firmware challenge — from a rough concept to a stalled prototype that needs fixing — I'd be glad to take a look and tell you honestly what it'll take to get it done right.
PCB Design
Multilayer PCB
Electronic Circuit Design
Firmware Programming
C
C++
Python
Analog Circuit
RF Design
3Design
Power Electronics
Digital Signal Processing
ML Automation
Muhammad Umair K.
Dera Ismail Khan, Pakistan
$3/hr
5.0
7 jobs
I am Muhammad Umair. I am an Electronics Engineer with a quite good experience in FPGA system design & PCB and programming of FPGA boards in VERILOG, VHDL and FSM using Xilinx ISE, Vivado, Intel Quartus and Modelsim Software's.
I have hand on experience in the following tools
Intel Quartus
Xilinx ISE
Vivado
Modelsim
I can provide services in Verilog, VHDL and Schematic designs to program Alterna and Xilinx FPGA Boards
I will provide everything related to the tasks which includes:
Source Code
Test Bench
Simulation Results
Analysis and Report
Optimization solution
Finite State Machine
PCB Softwares
KiCad
Altium
EagleCAD
EasyEDA
DipTrace
Proteus
Verilog
SystemVerilog
FPGA
Arduino IDE
C
C++
Assembly Language
Analog Circuit
Algorithms
Process Design
Simulink
Simulation Software
Electronic Design
KiCad
Altium Designer
Wassam A.
Abbottabad, Pakistan
$30/hr
5.0
13 jobs
I’m an Electronics & Electrical Engineer specializing in PCB design, circuit design, embedded systems, hardware development, simulation, and electronic product reverse engineering. I help startups, companies, researchers, and product developers turn ideas, prototypes, existing hardware, or incomplete designs into reliable, manufacturable, and production-ready electronic products.
I work across the complete hardware development cycle — from circuit analysis and system architecture to schematic capture, PCB layout, prototyping, testing, debugging, reverse engineering, and manufacturing preparation.
🔧 PCB & Hardware Design
• Schematic design and circuit development
• 2–16+ layer PCB design
• Analog, digital & mixed-signal electronics
• High-speed PCB layout & controlled impedance
• RF PCB layout & antenna integration
• Power & signal integrity
• EMI/EMC-aware design
• DFM/DFA/DFT optimization
• Component selection and BOM optimization
• Gerber, BOM & Pick-and-Place/CPL generation
• JLCPCB/manufacturing-ready design
• PCB review, debugging and design validation
PCB Tools: Altium Designer, KiCad, EasyEDA, Proteus
🔍 PCB & Electronics Reverse Engineering
I can reverse engineer existing electronic products, PCBs, and prototypes to help you understand, document, reproduce, modify, or improve an existing design.
My reverse-engineering workflow can include:
• PCB inspection and component identification
• Schematic recreation from an existing PCB
• Component and IC identification
• Net tracing and connectivity analysis
• PCB layout reconstruction
• BOM reconstruction
• Datasheet-based circuit analysis
• Connector and pinout identification
• Power-supply and signal-path analysis
• Functional block identification
• Existing PCB design review
• Design improvement and cost reduction
• Reproduction/manufacturing preparation
Whether you have an existing PCB without source files, an old schematic, Gerbers, photographs, or a manufactured prototype, I can help convert the available information into a structured and usable engineering design.
⚡ Circuit Design & Simulation
I use simulation to verify circuits before committing to hardware and reduce unnecessary prototype iterations.
Simulation experience includes:
• LTspice
• PSpice
• MATLAB/Simulink
• PLECS
• Multisim
• Proteus
• CST Studio Suite
I work with analog circuits, digital logic, power supplies, DC-DC converters, battery systems, motor control, sensor interfaces, signal conditioning, and mixed-signal systems.
💻 Embedded Systems & Firmware
I also provide hardware–firmware integration using:
• STM32
• ESP32 / ESP32-S3 / ESP32-C3
• Nordic nRF52 / nRF53
• AVR
• PIC
• ARM Cortex
Embedded C/C++, Bare-Metal, FreeRTOS, drivers, bootloaders, sensor integration and communication interfaces.
Protocols include:
UART • SPI • I²C • CAN/CAN FD • USB • Ethernet • BLE • Wi-Fi • LoRa • MQTT • RS-232 • RS-485 • Modbus
⚙️ Power Electronics & Product Development
I have experience with:
• AC-DC & DC-DC converters
• Battery charging and protection
• BMS-related circuits
• Motor controllers
• Power management
• Protection circuits
• IoT devices
• Industrial electronics
• Automotive electronics
• Robotics
• RF/wireless hardware
• Medical electronics
• Consumer electronics
📦 Manufacturing & Production Support
I don't stop at a working schematic. I focus on creating designs that can actually be manufactured.
Deliverables can include:
Schematic → PCB Layout → BOM → Gerbers → CPL/Pick-and-Place → Assembly Documentation → Prototype → Validation → Production Support
I can also review existing manufacturing files and identify issues involving footprints, component availability, PCB fabrication, assembly, DFM, BOM, and JLCPCB/LCSC production requirements.
Why Work With Me?
✔ Complete electronics hardware development
✔ PCB design and circuit engineering
✔ Existing PCB review and reverse engineering
✔ Simulation before prototyping
✔ Manufacturing-focused designs
✔ BOM and cost optimization
✔ Hardware/firmware integration
✔ Clear engineering documentation
✔ Practical approach to debugging and validation
If you have a new electronics product, existing PCB, prototype that needs improvement, outdated design, or hardware that needs to be reverse engineered, I can help take it from the current state to a reliable and manufacturable solution.
Send me your schematic, PCB files, Gerbers, photos, BOM, prototype details, or project requirements, and let's discuss the best engineering approach.
PCB Design
Electronic Circuit Design
Power Electronics
Simulation Software
Hardware Prototyping
MATLAB
Circuit Design
Electrical Design
Wearable Technology
Hardware Design
Prototyping
Machine Learning
Embedded System
Wireless Communication
RF Microwave Design
RF Design
Integrated Circuit
Antenna Design
Multilayer PCB
Internet of Things
Muhammad H.
Bahawalpur, Pakistan
$25/hr
4.6
4 jobs
I'm Husnain, an Electronics Engineer specializing in PCB design and embedded firmware development.
I handle both hardware and software so you don't need to hire two people — from schematic design and PCB layout to writing the firmware that brings your device to life.
What I can do:
PCB Design (single, double & multilayer boards)
Schematic capture & circuit design
Firmware development (Embedded C/C++)
Arduino, ESP32, STM32 programming
Sensor integration & hardware control
Communication protocols: UART, I2C, SPI, WiFi, BLE
Manufacturing-ready Gerber files & documentation
What you'll get:
Clean, professional PCB layouts ready for manufacturing
Stable, optimized firmware
Clear communication throughout the project
Let's talk about your project - I respond within a few hours.
PCB Design
Multilayer PCB
Electrical Engineering
Circuit Design
Layout Design
Schematic Capture
Electronic Circuit Design
Electronics
Engineering Simulation
RF Design
Embedded System
Arduino
STM32
ESP32
Arduino Firmware
Firmware Programming
Shoaib L.
Rawalpindi, Pakistan
$25/hr
5.0
17 jobs
I am an Electrical Engineer with strong experience in designing, executing, and analyzing electrical systems across a wide range of applications. My work includes both renewable energy projects (medium to large-scale solar systems) and general electrical engineering tasks.
Core Expertise:
• Electrical system design and analysis
• Solar PV system design (ground-mounted and elevated structures)
• Load calculations, cable sizing, and voltage drop analysis
• Circuit design, simulation, and PCB layout
• Single Line Diagrams (SLD), wiring diagrams, and 3D layouts (SketchUp)
• Material estimation and preparation of Bills of Materials
Software Skills:
• PVsyst, Helioscope, and SketchUp 3D for solar design
• Simulation and design tools for circuit and PCB development
• C++ & Python for basic programming and automation tasks
I can support clients in all phases of a project, from feasibility studies and preliminary design to detailed engineering and execution. My goal is to provide accurate, efficient, and professional solutions for both renewable and general electrical engineering needs.
PCB Design
MATLAB
Electronic Circuit Design
Solar Energy Simulation
PV Sizing
Energy Engineering
Solar Energy
Inverter Sizing
Autodesk
Microsoft Office
Electrical Engineering
Helioscope
Battery Sizing
Solar Design
Electrical Design
Nouman S.
Sialkot, Pakistan
$10/hr
5.0
1 jobs
I am an Electrical Engineer having experience in AutoCAD designing, ETAP, Simulink, MATLAB, Fusion 360, SolidWorks, Eagle CAD, MACH3, Siemens S1200 PLC Programming and Turning Center CNC Programming.
Electrical Engineering
Mechanical Engineering
Energy
CAD
3D Design
Engineering & Architecture
Autodesk AutoCAD
ETAP
Simulink
MATLAB
PLC Programming
CNC Programming
PCB Design
Eagle
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